MSM supplements may help with joint pain and swelling, but some experts aren't convinced. What you should know about how they work and who should take them.

MSM, commonly known as methylsulfonylmethane, is a dietary supplement synthesized using DMSO or dimethyl sulfoxide, a sulfur-based compound extracted from lignan.

MSM is sold alone and in multi-ingredient supplements, in the form of capsules, crystals and lotions. Precautions: MSM may have laxative effects and cause headaches or stomach pain.

MSM is chiefly supplied as either powder-filled capsules or in compounded creams with other ingredients such as glucosamine sulfate. Powder-filled 1,000mg capsules of MSM cost $5 to $10 per 100 ...

Q: Years ago, I read in your column that MSM supplements (without glucosamine) helped hair stay full and thick. I started taking it about 2002, and I have pretty, thick, healthy hair at age 57. I ...

Supplements in general aren’t regulated by the Food and Drug Administration (FDA) and MSM supplements in particular aren’t as well-known as others designed to help with joint pain (like ...

MSM supplements may help with joint pain and swelling, but some experts aren't convinced. What you should know about how they work and who should take them.